Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-04-2024 04:25

General

  • Target

    fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe

  • Size

    658KB

  • MD5

    fbec7cabbdc37ab96d398f3bab2e143d

  • SHA1

    58b14d00f2c0437d658e8c9e29d11e619eb18738

  • SHA256

    c29d545bd166e0fc8f641c4ba229bfe991bb35b66a87e41122af702007eb6e30

  • SHA512

    cdf3f9a4478a93c5a1c3952fb35640b9e53638ecbd732beb1c47d4a80cae18850a8d1fde36f62bd8163fb9b33ec5de19ba8670fb7b174625a39b60fb6a1b7dd0

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hU:eZ1xuVVjfFoynPaVBUR8f+kN10EBO

Malware Config

Extracted

Family

darkcomet

Botnet

VITIMA

C2

glock15.ddns.net:5000

Mutex

DC_MUTEX-VVVKDJP

Attributes
  • InstallPath

    windows32\System.exe

  • gencode

    w2qwQ6TxgE4M

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    System

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbec7cabbdc37ab96d398f3bab2e143d_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Windows\SysWOW64\windows32\System.exe
      "C:\Windows\system32\windows32\System.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Windows\SysWOW64\windows32\System.exe

    Filesize

    658KB

    MD5

    fbec7cabbdc37ab96d398f3bab2e143d

    SHA1

    58b14d00f2c0437d658e8c9e29d11e619eb18738

    SHA256

    c29d545bd166e0fc8f641c4ba229bfe991bb35b66a87e41122af702007eb6e30

    SHA512

    cdf3f9a4478a93c5a1c3952fb35640b9e53638ecbd732beb1c47d4a80cae18850a8d1fde36f62bd8163fb9b33ec5de19ba8670fb7b174625a39b60fb6a1b7dd0

  • memory/1400-13-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1400-0-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2992-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-20-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-15-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-16-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2992-17-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-11-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2992-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-14-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-22-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-23-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-24-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-25-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-26-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-27-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2992-28-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB